Food can become contaminated by bacteria from other foods. This type of cross-contamination is especially dangerous if raw foods come into contact with cooked foods.Here are some examples of food-to-food cross-contamination: 1  In a refrigerator, meat drippings from raw meat stored on a top shelf might drip onto cooked vegetables placed on lower shelf.ood can become contaminated by bacteria from other foods. This type of cross-contamination is especially dangerous if raw foods come into contact with cooked foods.
Best Answer: Putting batteries in the freezer or refrigerator doesn't necessarily prolong their life. Alkaline batteries stored at room temperature self discharge at a rate of less than two percent per year. So normally refrigerating or freezing them will only help maintain their charge by a tiny amount.
Making the world better, one answer at a time. A car battery freezes at different temperatures depending on its state of charge. When fully charged the electrolyte is mostly Sulfuric acid and it will not freeze easily, something as low as minus 60.When discharged the acid turns to mostly water and the freezing will start at much warmer temperatures, minus 10 can give a problem with a flat battery.2 deg fah +++ (That's the freezing-point of pure water.) Adding antifreeze lowers the freezing-point, to a temperature depending on the make and dilution-the values for a s â¦ pecific anti-freeze will be on its container label.